WSPF21 NTAA 180017
NTTT SIGMET A1 VALID 180015/180415 NTAA-
NTTT TAHITI FIR/UIR EMBD TS FCST WI S3000 W13730 - S2030 W14230 -
S1800 W13900 - S2530 W13030 - S3000 W13730 TOP FL400 MOV SE 10KT NC=